December weather forecast
Bern, Switzerland

December in Bern welcomes winter in all its grandeur. With the lowest recorded temperatures in the year, with a high of 3.5°C (38.3°F) and a low of -2.3°C (27.9°F), December truly portrays a winter wonderland. Snowfall returns, adorning the city in a white blanket, while daylight hours shrink to their shortest span. The month offers minimal sunshine, but the festive spirit of the season compensates for it. In all its frostiness, December in Bern presents a setting straight out of a winter fairytale.

Temperature

In Bern, entering December brings a subtle temperature decrement, reducing from November's chilly 7.3°C (45.1°F) to a cold 3.5°C (38.3°F). Bern reports a consistent average low-temperature of -2.3°C (27.9°F) throughout December nights.

Humidity

The months with the highest humidity are November and December, with an average relative humidity of 85%.

Rainfall

In Bern, Switzerland, in December, during 9.9 rainfall days, 74mm (2.91") of precipitation is typically accumulated. In Bern, during the entire year, the rain falls for 124.2 days and collects up to 1059mm (41.69") of precipitation.

Snowfall

January through April, October through December are months with snowfall in Bern. The month with the most snowfall in Bern is December, when snow falls for 3.1 days and typically aggregates up to 133mm (5.24") of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 07:55 and sunset at 16:43. On the last day of December, in Bern, Switzerland, sunrise is at 08:15 and sunset at 16:51 CET.

Sunshine

December has the least sunshine of the year in Bern, with an average of 1.6h of sunshine.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In December, a daily maximum UV index of 1 leads to the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.